AirHint found the following cheapest return flights from Reykjavik (REK) to Istanbul (IST) in October 2025 (see full year).

Return flights

12 Oct - 16 Oct	Wizz Air
22 Oct - 26 Oct	LOT
23 Oct - 21 Nov	Wizz Air
09 Oct - 13 Oct	Wizz Air
05 Oct - 13 Oct	Wizz Air
15 Oct - 22 Oct	Wizz Air
09 Oct - 31 Oct	Wizz Air
12 Oct - 20 Oct	Wizz Air
26 Oct - 28 Oct	easyJet
02 Oct - 06 Oct	Wizz Air
30 Oct - 01 Nov	Wizz Air
16 Oct - 27 Oct	Wizz Air
09 Oct - 01 Nov	Fly Play
10 Oct - 01 Nov	Fly Play
30 Oct - 01 Nov	Turkish Airlines	direct
23 Oct - 21 Nov	Icelandair	direct
09 Oct - 01 Nov	Icelandair	direct

Also check the deals for one-way flights from Reykjavik to Istanbul in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Reykjavik to Istanbul in October from 222€

Return flights